Math 113 Homework 4, Fall 2004

          Professor Sachs

          due:  TUESDAY, October 12  AT START OF CLASS

          Problems from text: 

          Problems 2, 4, 8, 13, 15-18, 33, section 2.1, pp. 157-159

          Problems 5, 10, 20, section 2.3, pp. 178 - 179

          Problems 2, 8, 44, section 2.4, pp. 184-185

          Use the product rule to find the derivatives of
          sin(x)*sin(x) and also cos(x)*cos(x).  Add and verify that the
          derivative of "sine squared plus cosine squared" is 0.